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JPL Small-Body Database Browser
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18724 (1998 JV1)
Classification: Main-belt Asteroid          SPK-ID: 2018724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08809756310601276 4.2495e-08  
a 3.174397587015561 2.0819e-08 au
q 2.894740895269883 1.3132e-07 au
i 7.453821193652839 3.9382e-06 deg
node 121.5196812606419 3.9489e-05 deg
peri 140.5044727290149 4.7113e-05 deg
M 220.9204028271235 2.6032e-05 deg
tp 2459398.589010580375
(2021-Jul-03.08901058)
0.00014932 TDB
period 2065.810152238254
5.66
2.0323e-05
5.564e-08
d
yr
n .1742657715230748 1.7144e-09 deg/d
Q 3.45405427876124 2.2653e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1644  
   data-arc span      10526 days (28.82 yr)  
   first obs. used      1991-01-13  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52006  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 23:53:51  

Additional Information
 Earth MOID = 1.88347 au 
 Jupiter MOID = 1.65104 au 
 T_jup = 3.182 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9   n/a MPO384914  
diameter diameter 14.800 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.130 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.055   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18724 (1998 JV1)          Discovered 1998-May-01 by JPL/GEODSS NEAT at Haleakala
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 JV1 = 1997 EN34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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